EPS (Encapsulated PostScript) is a vector and raster hybrid format used extensively in print design, containing PostScript code that describes scalable graphics along with optional embedded raster previews. BMP (Bitmap) is the simplest uncompressed raster format, storing raw pixel data that every operating system and application can read. Converting EPS to BMP rasterizes the vector PostScript artwork into a flat pixel image at a specified resolution.

This conversion is necessary when EPS artwork needs to be used in applications that only accept raster formats. Many web platforms, presentation software, and consumer image editors cannot interpret PostScript code and require pre-rasterized input.

EPS files require a PostScript interpreter (like Ghostscript or Adobe Illustrator) to render properly. Most standard image viewers, web browsers, and office applications cannot display EPS files directly. Converting to BMP produces an uncompressed raster image that is universally readable on every platform without specialized software.

BMP is also useful when the rasterized output needs to be pixel-perfect with no compression artifacts. Automated testing systems, embedded display controllers, and scientific imaging pipelines that require exact pixel values benefit from BMP's uncompressed nature. When an EPS logo or diagram needs to be fed into such a system, BMP conversion provides the cleanest raster representation.

The EPS file is interpreted by Ghostscript, which executes the PostScript code to render the page at a specified DPI (dots per inch). The rendered output is a full-color raster image at the target resolution. This pixel buffer is then written as a Windows BMP v3 file with 24-bit (RGB) or 32-bit (RGBA) color depth. The default rendering resolution is 150 DPI, but higher values (300, 600) can be specified for print-quality output. Vector elements in the EPS are rendered with anti-aliasing to smooth curves and diagonal lines.

Use 72-96 DPI for screen display, 150 DPI for general-purpose use, and 300 DPI for print quality. Higher DPI produces larger BMP files but sharper rendering of vector elements.

The vector data is rasterized at a fixed DPI, so it is no longer infinitely scalable. At sufficiently high DPI (300+), the rasterized output is visually indistinguishable from the original vector rendering.

BMP stores uncompressed pixel data. A 300 DPI rendering of a standard letter-size EPS produces approximately 25 MB of BMP data. Consider PNG for lossless compression at much smaller file sizes.

Yes. CMYK colors in the EPS are converted to RGB during rasterization because BMP does not support CMYK color space. Some deep colors may shift slightly during this conversion.

Yes. Ghostscript includes a comprehensive font substitution system. Fonts embedded in the EPS are used directly; fonts referenced but not embedded are substituted with metrically compatible alternatives.

Device	EPS	BMP
Windows PC	Partial	Native
macOS	Partial	Partial
iPhone/iPad	Partial	Partial
Android	Partial	Partial
Linux	Partial	Partial
Web Browser	No	No

Feature	EPS	BMP
Full Name	Encapsulated PostScript	Bitmap Image
Extension	.eps	.bmp
Best For	Print industry	Uncompressed

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